USR-DR504-E User Manual www.usriot.com
Jinan USR IOT Technology Limited Tech Support: h.usriot.com
7. AT+CMDPW..............................................................................................................................................36
8. AT+STMSG................................................................................................................................................37
9. AT+RSTIM.................................................................................................................................................37
10. AT+CSQ.................................................................................................................................................. 37
11. AT+SYSINFO............................................................................................................................................38
12. AT+UCPIN...............................................................................................................................................39
13. AT+RELD.................................................................................................................................................39
14. AT+CLEAR...............................................................................................................................................40
15. AT+CFGTF...............................................................................................................................................40
16. AT+VER...................................................................................................................................................40
17. AT+SN.....................................................................................................................................................40
18. AT+ICCID................................................................................................................................................ 40
19. AT+IMEI..................................................................................................................................................41
20. AT+CIP....................................................................................................................................................41
21. AT+LBS................................................................................................................................................... 41
22. AT+PING................................................................................................................................................. 41
23. AT+UART................................................................................................................................................ 42
24. AT+UARTFT.............................................................................................................................................42
25. AT+UARTFL.............................................................................................................................................43
26. AT+APN.................................................................................................................................................. 43
27. AT+SOCKA.............................................................................................................................................. 43
28. AT+SOCKB.............................................................................................................................................. 44
29. AT+SOCKAEN..........................................................................................................................................44
30. AT+SOCKBEN..........................................................................................................................................45
31. AT+SOCKALK...........................................................................................................................................45
32. AT+SOCKBLK...........................................................................................................................................45
33. AT+SOCKATO.......................................................................................................................................... 46
34. AT+SOCKBTO..........................................................................................................................................46
35. AT+SOCKRSTIM...................................................................................................................................... 46
36. AT+MODBUSEN......................................................................................................................................46
37. AT+REGEN.............................................................................................................................................. 47
38. AT+REGTP...............................................................................................................................................47
39. AT+REGDT.............................................................................................................................................. 48
40. AT+REGSND............................................................................................................................................48
41. AT+CLOUD..............................................................................................................................................48
42. AT+HEARTEN..........................................................................................................................................49
43. AT+HEARTDT.......................................................................................................................................... 49
44. AT+HEARTSND........................................................................................................................................50
45. AT+HEARTTM.........................................................................................................................................50
46. AT+DSTNUM.......................................................................................................................................... 50
47. AT+SMSFLT.............................................................................................................................................51
48. AT+CISMSSEND...................................................................................................................................... 51
4. Contact Us........................................................................................................................................................................52
5. Disclaimer........................................................................................................................................................................ 52
